Finding the Fourth Proportional to 131,713,105.84, 181,763,944.04 and 72,175,853.76

Step by Step Solution

1. Step 1: Write the proportion equation
   131,713,105.84 : 181,763,944.04 = 72,175,853.76 : x
2. Step 2: Convert to fraction form
   131,713,105.84/181,763,944.04 = 72,175,853.76/x
3. Step 3: Cross multiply
   131,713,105.84x = 181,763,944.04 × 72,175,853.76
4. Step 4: Simplify right side
   131,713,105.84x = 13,118,967,843,871,864
5. Step 5: Solve for x
   x = 13,118,967,843,871,864/131,713,105.84
6. Step 6: Final answer
   x = 99,602,600.37